One common synonym for Lactuca Scariola is wild lettuce, which is a plant species that is widely distributed in different parts of the world. Another synonym for this plant is prickly lettuce, which is attributed to its prickly leaves and stem. Some people refer to this plant as compass plant due to the observation that its leaves orient themselves in an east-west direction. Other synonyms for Lactuca Scariola include bitter lettuce, horned lettuce, or horse thistle. Despite the different names, Lactuca Scariola has been traditionally used for medicinal purposes as an analgesic, sedative, and as a respiratory aid.